🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2011 Codes Manual Product Name: Aprilia RS125 RS125 2011 Service Repair Workshop Manual 📋 Manual Details Coverage Areas Engine Repair: Comprehensive Chassis Maintenance: Comprehensive Electrical System: Comprehensive Bodywork: Comprehensive Troubleshooting: Comprehensive Scheduled Maintenance: Comprehensive Component Disassembly Reassembly: Comprehensive Diagnostic Procedures: Comprehensive Manual Type Unknown: Service Repair Workshop Manual Language Unknown: English ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Displacement: 124.66 cc Bore X Stroke: 54 mm x 54.5 mm Cooling System: Liquid-cooled Induction System: Reed valve intake, Dell'Orto PHBH 28 carburetor Ignition System: Electronic ignition with variable advance Starting System: Electric and Kick Starter Exhaust System: Expansion chamber exhaust Performance Horsepower: Approx. 15 hp (11.1 kW) @ 9000 rpm (restricted) Torque: Approx. 12 Nm @ 7500 rpm (restricted) Fuel System Fuel Type: Unleaded gasoline (95 RON recommended) Fuel Tank Capacity: 13 Liters (including 2.5 Liter reserve) Oil Type: 2-stroke specific engine oil (pre-mix or oil injection system) Oil Tank Capacity: 1.3 Liters (for oil injection) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Type: Wet, multi-plate Features Final Drive: Chain Gear Ratios: Manual specification required (refer to manual) 📐 Dimensions Exterior Length: Approx. 1975 mm Width: Approx. 720 mm Height: Approx. 1130 mm Wheelbase: Approx. 1355 mm Weights Dry Weight: Approx. 118 kg Curb Weight: Approx. 131 kg (with fluids) 🛡️ Safety Features Features Brakes Front: Single disc, hydraulic caliper Brakes Rear: Single disc, hydraulic caliper Suspension Front: Telescopic fork Suspension Rear: Monoshock absorber with adjustable preload Lighting System: Halogen headlight, LED taillight Tires Front: 110/70-17 (or equivalent) Tires Rear: 140/70-17 (or equivalent) 🔧 Maintenance Service Intervals First Service: Refer to manual (typically 1000 km or 3 months) Oil Change Interval: Refer to manual (typically 3000-5000 km) Spark Plug Replacement: Refer to manual Air Filter Cleaning Replacement: Refer to manual Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze/coolant Brake Fluid Type: DOT 4 Fork Oil Type: SAE 5W (or equivalent, refer to manual for exact type and quantity) Gear Oil Type: Refer to manual (specific gear oil for transmission)